Readers:Several times over the past few years I and others have written in this space about both the criminal and civil legal casesagainst former President Gonzalo Sanchez de Lozadain connection with the government killings that took place under his command in September and October 2003. In the nearly six years since, the families of those killed and wounded in that repression have sought justice from the deposed president and his chief ministers, with little result. Sanchez de Lozada himself remains in self-imposed exile in suburban Maryland, enjoying the political protection of the U.S. ...